Hyperacusis is a non-specific complaint and can be related to a number of different, unrelated pathologies. Screening for specific conditions is largely dictated by other associated signs and symptoms and whether the hyperacusis is unilateral or bilateral. Common conditions include 7th cranial nerve...

Depression can be associated with CNVII efferent fibers of the stapedius muscle in the middle ear as migraine is associated with efferent muscle fibers to the tensor timpani (CNV). Apparently, there is a dysfunction in the response to loud noises for each: it has been mentioned in psychiatry that th...